<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>购物车</title>
	<style type="text/css">
		a{
			display: inline-block;
			width: 67px;
			height: 32px;
			background: url("110.png");
		}
		a:hover{ 
                background: url("110.png") bottom ;

		 }
	</style>
</head>
<body>
	<a href="#"></a>
</body>
</html>